| PartNumber | AOM-4542P-R | AOM-4542L | AOM-4542L-R |
| Description | Microphones 2.2kOhm x 9.7mm | Microphones 2.2kOhm x 9.7mm | Microphones 2.2kOhm x 9.7mm |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio, Inc. |
| Product Category | Microphones | Microphones | Microphones |
| RoHS | Y | N | - |
| Directional Properties | Omnidirectional | Omnidirectional | Omnidirectional |
| Impedance | 1 kOhms | 2.2 kOhms | 2.2 kOhm |
| Sensitivity | - 45 dB | - 42 dB | -42dB ±3dB |
| Termination Style | Solder Pad | Solder Pad | Solder Pad |
| IP Rating | - | - | - |
| Diameter | 9.7 mm | 4.5 mm | 4.5 mm |
| Length | 9.4 mm | - | 9.7 mm |
| Width | 9.4 mm | - | 9.7 mm |
| Depth | 6.5 mm | 4.5 mm | 4.5 mm |
| Operating Supply Voltage | 4.5 V | 1.5 V | 1.5 VDC |
| Packaging | Bulk | - | Bulk |
| Series | AOM | AOM | AOM |
| Brand | PUI Audio | PUI Audio | - |
| Length in | 0.382 in | - | - |
| Length mm | 9.7 mm | - | - |
| Product Type | Microphones | Microphones | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Width in | 0.382 in | - | - |
| Width mm | 9.7 mm | - | - |
| Mounting | - | Lead Wire | - |
| Type | - | - | Electret Condenser |
| Termination | - | - | Solder Pads |
| Voltage Rated | - | - | 1.5 ~ 10V |
| Current Supply | - | - | 500μA |
| Port Location | - | - | Top |
| Size Dimension | - | - | 9.70mm Dia |
| Output Type | - | - | Analog |
| Direction | - | - | Omnidirectional |
| Frequency Range | - | - | - |
| S N Ratio | - | - | 60dB |
| Seal Rating | - | - | None |
| Height Max | - | - | 4.70mm |
| Shape | - | - | Circular |
| Length in | - | - | 0.382 in |
| Length mm | - | - | 9.7 mm |
| Width in | - | - | 0.382 in |
| Width mm | - | - | 9.7 mm |